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/*******************************************************************************
* Copyright (c) 2009, 2021 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.report.check;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.jacoco.core.analysis.IBundleCoverage;
import org.jacoco.core.analysis.IClassCoverage;
import org.jacoco.core.analysis.ICoverageNode;
import org.jacoco.core.analysis.ICoverageNode.ElementType;
import org.jacoco.core.analysis.IPackageCoverage;
import org.jacoco.core.analysis.ISourceFileCoverage;
import org.jacoco.core.internal.analysis.BundleCoverageImpl;
import org.jacoco.core.internal.analysis.ClassCoverageImpl;
import org.jacoco.core.internal.analysis.CounterImpl;
import org.jacoco.core.internal.analysis.MethodCoverageImpl;
import org.jacoco.core.internal.analysis.PackageCoverageImpl;
import org.jacoco.core.internal.analysis.SourceFileCoverageImpl;
import org.jacoco.report.ILanguageNames;
import org.jacoco.report.JavaNames;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests for {@link BundleChecker}.
*/
public class BundleCheckerTest implements IViolationsOutput {
private List<Rule> rules;
private ILanguageNames names;
private List<String> messages;
@Before
public void setup() {
rules = new ArrayList<Rule>();
names = new JavaNames();
messages = new ArrayList<String>();
}
@Test
public void testBundleLimit() {
addRule(ElementType.BUNDLE);
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertMessage(
"Rule violated for bundle Test: instructions covered ratio is 0.50, but expected minimum is 0.75");
}
@Test
public void testPackageLimit() {
addRule(ElementType.PACKAGE);
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertMessage(
"Rule violated for package org.jacoco.example: instructions covered ratio is 0.50, but expected minimum is 0.75");
}
@Test
public void testSourceFileLimit() {
addRule(ElementType.SOURCEFILE);
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertMessage(
"Rule violated for source file org/jacoco/example/FooClass.java: instructions covered ratio is 0.50, but expected minimum is 0.75");
}
@Test
public void testClassLimit() {
addRule(ElementType.CLASS);
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertMessage(
"Rule violated for class org.jacoco.example.FooClass: instructions covered ratio is 0.50, but expected minimum is 0.75");
}
@Test
public void testMethodLimit() {
addRule(ElementType.METHOD);
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertMessage(
"Rule violated for method org.jacoco.example.FooClass.fooMethod(): instructions covered ratio is 0.50, but expected minimum is 0.75");
}
@Test
public void testGroupLimitNotSupported() {
addRule(ElementType.GROUP);
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertEquals(Collections.emptyList(), messages);
}
@Test
public void testLimitOk() {
final Rule rule = new Rule();
rule.setElement(ElementType.BUNDLE);
final Limit limit = rule.createLimit();
limit.setMinimum("0.25");
rules.add(rule);
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertEquals(Collections.emptyList(), messages);
}
@Test
public void testBundleNoMatch() {
addRule(ElementType.BUNDLE).setExcludes("*");
final BundleChecker checker = new BundleChecker(rules, names, this);
checker.checkBundle(createBundle());
assertEquals(Collections.emptyList(), messages);
}
private Rule addRule(ElementType elementType) {
final Rule rule = new Rule();
rule.setElement(elementType);
final Limit limit = rule.createLimit();
limit.setMinimum("0.75");
rules.add(rule);
return rule;
}
private IBundleCoverage createBundle() {
final MethodCoverageImpl m = new MethodCoverageImpl("fooMethod", "()V",
null);
m.increment(CounterImpl.getInstance(5, 5), CounterImpl.COUNTER_0_0, 1);
m.incrementMethodCounter();
final ClassCoverageImpl c = new ClassCoverageImpl(
"org/jacoco/example/FooClass", 1001, false);
c.setSourceFileName("FooClass.java");
c.addMethod(m);
final SourceFileCoverageImpl s = new SourceFileCoverageImpl(
"FooClass.java", "org/jacoco/example");
s.increment(c);
IPackageCoverage p = new PackageCoverageImpl("org/jacoco/example",
Collections.singleton((IClassCoverage) c),
Collections.singleton((ISourceFileCoverage) s));
return new BundleCoverageImpl("Test", Collections.singleton(p));
}
private void assertMessage(String expected) {
assertEquals(Collections.singletonList(expected), messages);
}
public void onViolation(ICoverageNode node, Rule rule, Limit limit,
String message) {
messages.add(message);
}
}
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